Lois Johnson Books

The raider s promise

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Five years after taking Bree and her brother Devin from Ireland to serve as tenth century Viking slaves, Mikkel decides whether to keep his promise to return the pair to their home and restore thei...

Waterbased Inks

By Marie Naples, Hester Stinnett, David Denick, Lois Johnson

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Detroit s Eastern Market

By Margaret Thomas, Lois Johnson

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Lollipop lexicon

By Lois Johnson

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.